John Jaso

PosC

B/TL/R

Born1983-09-19

Age (2026)42

Career Stats + Projections

Viewactual = stats as recorded (prior seasons combined) + projected real-world MLB lines · MLE = level/park-neutral translations

Methodology▸ how these numbers are built

All seasons translated to park-neutral MLB-equivalent (MLE) and combined per year. 2026 = actual YTD + projected ROS + total. 2027+ via Advanced Marcel + aging curve.

Year	Age	Lvl	Team	MLB%	PA	AB	H	2B	3B	HR	BB	SO	HBP	SB	CS	AVG	OBP	SLG	OPS	ISO	BABIP	K%	BB%	wOBA	wRC+	BAT	RUN	FLD	POS	REP	WAR
2005	21	A	Southwest Michigan Devil Rays	—	386	346	87	20	1	11	28	72	4	3	1	251	315	410	725	159	280	19	7	317	101	—	—	—	—	—	—
2005	21	A	Southwest Michigan Devil Rays	—	386	332	102	25	1	14	42	53	4	3	1	307	392	515	907	208	322	14	11	392	158	—	—	—	—	—	—
2006	22	A+	Visalia Oaks	—	406	376	101	18	0	9	21	64	3	1	2	269	312	388	701	120	298	16	5	307	93	—	—	—	—	—	—
2006	22	A+	Visalia Oaks	—	406	366	113	22	0	10	31	48	3	1	2	309	367	451	818	142	328	12	8	360	134	—	—	—	—	—	—
2007	23	AA	Montgomery Biscuits	—	450	399	112	21	2	11	40	63	4	2	2	281	352	426	778	145	306	14	9	341	119	—	—	—	—	—	—
2007	23	AA	Montgomery Biscuits	—	450	380	120	24	2	12	59	49	4	2	2	316	413	484	897	168	333	11	13	394	160	—	—	—	—	—	—
2008	24	AA	2 teams	—	474	415	104	18	2	11	49	59	6	2	1	251	338	383	721	133	267	12	10	317	101	—	—	—	—	—	—
2008	24	AA	2 teams	—	474	392	107	20	2	12	72	47	6	2	1	273	394	426	820	153	283	10	15	368	140	—	—	—	—	—	—
2009	25	AAA	Durham Bulls	—	388	346	82	12	2	4	32	59	6	1	0	237	312	318	630	81	272	15	8	285	76	—	—	—	—	—	—
2009	25	AAA	Durham Bulls	—	388	331	88	14	2	5	46	49	6	1	0	266	365	366	730	100	295	13	12	332	112	—	—	—	—	—	—
2010	26	MLB	Tampa Bay Rays	—	404	339	88	19	3	5	59	39	2	4	0	260	372	378	750	118	279	10	15	333	113	+6	+1	-9	+7	+11	1.6
2010	26	MLB	Tampa Bay Rays	—	404	339	89	18	3	5	59	39	2	4	0	263	375	378	753	115	282	10	15	342	120	+9	+1	-9	+7	+11	1.9
2011	27	MLB	2 teams	—	295	266	60	17	1	5	27	39	1	1	2	226	299	353	653	128	248	13	9	292	82	-6	-1	-11	+5	+8	-0.4
2011	27	MLB	2 teams	—	295	266	61	17	1	5	27	39	1	1	2	229	303	357	660	128	252	13	9	298	86	-5	-1	-11	+5	+8	-0.3
2012	28	MLB	Seattle Mariners	—	361	294	84	20	2	11	56	51	5	5	0	286	408	480	888	194	308	14	16	379	148	+20	+1	-3	+6	+10	3.5
2012	28	MLB	Seattle Mariners	—	361	294	81	19	2	10	56	51	5	5	0	276	400	456	856	180	298	14	16	378	147	+19	+1	-3	+6	+10	3.5
2013	29	MLB	Oakland Athletics	—	249	207	56	12	0	3	38	45	2	2	1	271	389	372	761	101	331	18	15	349	126	+7	+0	-7	+4	+7	1.2
2013	29	MLB	Oakland Athletics	—	249	207	56	12	0	3	38	45	2	2	1	271	389	372	761	101	331	18	15	348	125	+7	+0	-7	+4	+7	1.2
2014	30	MLB	Oakland Athletics	—	344	307	83	19	3	9	28	60	7	2	0	270	345	440	785	169	308	17	8	342	120	+8	+0	-11	+6	+10	1.4
2014	30	MLB	Oakland Athletics	—	344	307	81	18	3	9	28	60	7	2	0	264	339	430	769	166	300	17	8	342	120	+8	+0	-11	+6	+10	1.4
2015	31	MLB	2 teams	—	239	206	58	20	0	5	30	45	1	1	2	282	376	451	827	170	335	19	13	359	133	+9	-1	+0	-3	+7	1.3
2015	31	MLB	2 teams	—	239	206	59	19	0	5	30	43	1	1	2	286	380	451	831	165	338	18	13	369	140	+11	-1	+0	-3	+7	1.5
2016	32	MLB	Pittsburgh Pirates	—	432	380	103	25	3	8	45	74	5	0	4	271	356	416	772	145	318	17	10	342	120	+10	-2	-5	-8	+12	0.8
2016	32	MLB	Pittsburgh Pirates	—	432	380	102	25	3	8	45	74	5	0	4	268	353	413	767	145	314	17	10	344	121	+10	-2	-5	-8	+12	0.8
2017	33	MLB	Pittsburgh Pirates	—	302	256	54	19	0	10	40	66	5	1	1	211	329	402	731	191	243	22	13	323	106	+2	-0	-5	-3	+9	0.2
2017	33	MLB	Pittsburgh Pirates	—	302	256	54	19	0	10	40	66	5	1	1	211	329	402	731	191	243	22	13	329	110	+3	-0	-5	-3	+9	0.4
▸ Career Totals
Career	—			—	2581	2214	571	143	12	55	319	410	28	16	10	258	358	408	766	150	293	16	12	344	121	+62	-1	-51	+16	+73	10.2
/ 162G	—			—	650	558	144	36	3	14	80	103	7	4	3	258	358	409	767	151	292	16	12	344	121	+16	-0	-13	+4	+18	2.5
Career	—			—	4730	4137	1072	240	19	102	493	736	51	25	16	259	345	400	746	141	290	16	10	329	110	+52	-1	-51	-5	+134	13.2
/ 162G	—			—	650	569	148	33	3	14	68	101	7	3	2	260	347	402	749	142	291	16	10	329	110	+7	-0	-7	-1	+18	1.8

Historical Stats — Raw (Per Stint)

Actual MLB + MiLB stats as they happened, one row per stint at each level. Use this to see what really got recorded; the table above shows MLB-equivalent translations + projections.

Year	Age	Lvl	Team	MLB%	PA	AB	H	2B	3B	HR	BB	SO	HBP	SB	CS	AVG	OBP	SLG	OPS	ISO	BABIP	K%	BB%	wOBA	wRC+	BAT	RUN	FLD	POS	REP	WAR
2005	21	A	Southwest Michigan Devil Rays	—	386	332	102	25	1	14	42	53	4	3	1	307	392	515	907	208	322	14	11	392	158	+25	+0	—	—	+11	3.7
2006	22	A+	Visalia Oaks	—	406	366	113	22	0	10	31	48	3	1	2	309	367	451	818	142	328	12	8	360	134	+15	-1	—	—	+12	2.7
2007	23	AA	Montgomery Biscuits	—	450	380	120	24	2	12	59	49	4	2	2	316	413	484	897	168	333	11	13	394	160	+30	-0	—	—	+13	4.4
2008	24	AAA	Durham Bulls	—	118	108	30	7	0	5	10	14	0	1	1	278	339	481	820	204	281	12	8	362	135	+5	-0	—	—	+3	0.8
2008	24	AA	Montgomery Biscuits	—	356	284	77	13	2	7	62	33	6	1	0	271	412	405	817	134	283	9	17	371	142	+17	+0	—	—	+10	2.8
2009	25	AAA	Durham Bulls	—	388	331	88	14	2	5	46	49	6	1	0	266	365	366	730	100	295	13	12	332	112	+5	+0	—	—	+11	1.7
2010	26	MLB	Tampa Bay Rays	—	404	339	89	18	3	5	59	39	2	4	0	263	375	378	753	115	282	10	15	342	120	+9	+1	-9	+7	+11	1.9
2011	27	MLB	Tampa Bay Rays	—	273	246	55	15	1	5	25	36	1	1	2	224	298	354	651	130	244	13	9	294	83	-5	-1	-11	+5	+8	-0.4
2011	27	AAA	Durham Bulls	—	22	20	6	2	0	0	2	3	0	0	0	300	364	400	764	100	353	14	9	345	122	+1	+0	—	—	+1	0.1
2012	28	MLB	Seattle Mariners	—	361	294	81	19	2	10	56	51	5	5	0	276	400	456	856	180	298	14	16	378	147	+19	+1	-3	+6	+10	3.5
2013	29	MLB	Oakland Athletics	—	249	207	56	12	0	3	38	45	2	2	1	271	389	372	761	101	331	18	15	348	125	+7	+0	-7	+4	+7	1.2
2014	30	MLB	Oakland Athletics	—	344	307	81	18	3	9	28	60	7	2	0	264	339	430	769	166	300	17	8	342	120	+8	+0	-11	+6	+10	1.4
2015	31	MLB	Tampa Bay Rays	—	216	185	53	17	0	5	28	39	1	1	2	286	383	459	843	173	336	18	13	373	144	+11	-1	+0	-3	+6	1.4
2015	31	A+	Charlotte Stone Crabs	—	23	21	6	2	0	0	2	4	0	0	0	286	348	381	729	95	353	17	9	330	110	+0	+0	—	—	+1	0.1
2016	32	MLB	Pittsburgh Pirates	—	432	380	102	25	3	8	45	74	5	0	4	268	353	413	767	145	314	17	10	344	121	+10	-2	-5	-8	+12	0.8
2017	33	MLB	Pittsburgh Pirates	—	302	256	54	19	0	10	40	66	5	1	1	211	329	402	731	191	243	22	13	329	110	+3	-0	-5	-3	+9	0.4
▸ Career Totals (raw MLB only — historical actual)
MLB Career	—			—	2581	2214	571	143	12	55	319	410	28	16	10	258	358	408	766	150	293	16	12	344	121	+62	-1	-51	+16	+73	10.2